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Which of the following ratios is equivalent to $2:3$ ?

Select one option

A) $3:2$

B) $4:5$

C) $6:9$

D) $8:10$

A recipe calls for $2$ cups of flour for every $3$ cups of sugar. If you use $6$ cups of flour, how many cups of sugar do you need?

Select one option

A) $4$ cups

B) $9$ cups

C) $12$ cups

D) $18$ cups

What is $25\%$ of $80$ ?

Select one option

A) $10$

B) $15$

C) $20$

D) $25$

Convert $0.4$ into a percentage.

Select one option

A) $40\%$

B) $4\%$

C) $0.4\%$

D) $0.04\%$

Which integer is greater: $-10$ or $-5$ ?

Select one option

A) They are equal

B) $-10$

C) Cannot be determined

D) $-5$

What is the value of $-7 + 3$ ?

Select one option

A) $10$

B) $-4$

C) $4$

D) $-10$

Calculate: $12 - (-4)$ .

Select one option

A) $8$

B) $-8$

C) $16$

D) $-16$

A submarine is at $-200$ feet relative to sea level. If it ascends $50$ feet, what is its new depth?

Select one option

A) $-150$ feet

B) $-250$ feet

C) $150$ feet

D) $250$ feet

Which expression represents "four less than twice a number $x$ "?

Select one option

A) $4 - 2x$

B) $2x + 4$

C) $x - 4$

D) $2x - 4$

10.

If a shirt costs $30 and is on sale for$ 10%$ off, what is the discount amount?

Select one option

A) $1.00

B) $3.00

C) $10.00

D) $27.00$

11.

A bag contains $5$ red marbles and $7$ blue marbles. What is the ratio of red marbles to total marbles?

Select one option

A) $5:12$

B) $5:7$

C) $7:5$

D) $12:5$

12.

Solve for $y$ : $y + 9 = 15$

Select one option

A) $y = 5$

B) $y = 6$

C) $y = 24$

D) $y = 1.6$

13.

What is the product of $-3$ and $8$ ?

Select one option

A) $24$

B) $5$

C) $-24$

D) $-5$

14.

Show your work. Solve the proportion for $x$ : $\frac{3}{7} = \frac{18}{x}$ .

15.

Show your work. A pair of shoes costs $30.00. If there is a$ 15%$ discount, what is the final price of the shoes after the discount?

16.

Show your work. The temperature in the morning was $-5\degree C$ . By the afternoon, the temperature rose to $8\degree C$ . What was the total change in temperature?

17.

Show your work. Solve the equation: $x - 7 = 2$ .

18.

Show your work. Sarah has $18$ stickers. She wants to give an equal number of stickers to $3$ friends, and she will keep $3$ stickers for herself. Let $x$ be the number of stickers each friend receives. Write an equation to represent this situation and solve for $x$ .

19.

Show your work. A diver descends at a rate of $10$ feet per minute. If the diver starts at sea level ( $0$ feet) and dives for $12$ minutes, what is the diver's depth?